Twin Falls pollen forecast - today, tomorrow and the week ahead

Today (16 July) pollen in Twin Falls is medium; grass is medium; ragweed is low. Tomorrow (17 July 2026) levels are similar - grass declining. Over the following five days grass and ragweed will increase. Forecasts are calculated by Airmine using satellites to map local vegetation and determine pollen season onset.

For long term forecasts and maps, see the Airmine app

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Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team

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Twin Falls's Snake River Canyon Idaho setting features cottonwood, sagebrush, and elm as the main pollen sources, with exposure varying between the irrigated urban area and the canyon rim, and the surrounding native sagebrush steppe. The Snake River Canyon creates a dramatic topographic divide, with canyon rim parks exposed to very different pollen conditions than the urban bench above, while the irrigation-supported city vegetation contrasts sharply with the surrounding desert landscape throughout the season.

Today - 16 July

  • Alder (Alnus):

    None

    0/100

  • Birch (Betula):

    None

    0/100

  • Hazel (Corylus):

    None

    0/100

  • Cypress (Cupressaceae):

    None

    0/100

  • Grass (Poaceae):

    Medium

    30/100

  • Oak (Quercus):

    None

    0/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    None

    0/100

  • Ragweed (Ambrosia):

    Low

    1/100

High pollen levels may trigger sneezing, itchy eyes, and congestion. Airmine's neighbourhood estimates use satellites to map local vegetation and a statistical prediction model, updated four times daily.

Tomorrow - 17 July

  • Alder (Alnus):

    None

    0/100

  • Birch (Betula):

    None

    0/100

  • Hazel (Corylus):

    None

    0/100

  • Cypress (Cupressaceae):

    None

    0/100

  • Grass (Poaceae):

    Low

    12/100

  • Oak (Quercus):

    None

    0/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    None

    0/100

  • Ragweed (Ambrosia):

    None

    0/100

Air quality in Twin Falls

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Frequently Asked Questions

Is pollen high in Twin Falls right now?

On 16 July 2026, overall pollen levels in Twin Falls are moderate. Grass is the main contributor to airborne pollen, while ambrosia remain at lower levels

Will pollen levels change in Twin Falls tomorrow?

On 17 July 2026, pollen conditions in Twin Falls will be different from today, with grass continuing to decline

Is pollen expected to decrease in Twin Falls this week?

According to the five-day outlook, ambrosia and grass pollen levels will increase later in the week.

Which pollen types are currently active in Twin Falls?

On 16 July 2026, Grass is the dominant pollen source in Twin Falls. ambrosia are also present but at lower levels. oak, willow, alder, artemisia, birch, and cypress are not currently active.

When is pollen season in Twin Falls?
Twin Falls's Snake River Canyon setting in southern Idaho produces a season opening in March with sagebrush and elm before grass from surrounding Snake River Plain farmland peaks through May and June. Mugwort from surrounding high desert landscape extends exposure into September, while the dry continental climate means fewer rainfall interruptions than in Pacific-facing cities and the Snake River Canyon concentrates pollen under certain wind conditions.
How often is the Twin Falls pollen forecast updated?

The Twin Falls pollen forecast is updated four times daily. See the timestamp below for the most recent update.

Does pollen in Twin Falls come from nearby or far away?

Studies show that most pollen exposure (often 70–90%) comes from nearby sources, such as local trees and vegetation. A good pollen forecast therefore depends on accurately representing local vegetation. Pollen can travel long distances, but this usually matters only early in the season or during specific wind events.

Are pollen levels in Twin Falls based on measurements or forecasts?

Pollen data is often misunderstood. Most "pollen levels" are not real-time measurements, but forecasts.

Direct pollen measurements are typically delayed by 1-2 days because they require manual analysis. To show current conditions in Twin Falls, modern forecasts combine recent measurements, weather data, and information about local vegetation.

This allows us to estimate pollen levels for today and the coming days, not just report the past.

Airmine’s atmospheric monitoring platform was developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team, using satellite and Earth observation technologies to improve emissions monitoring.

Want to see pollen forecasts for other cities in United States?

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Data provided by Airmine — Last update: 16 July 2026 at 10:33 CEST (Data is updated four times daily.)

This page provides the latest public pollen forecast for Twin Falls.

For long term forecasts and maps, see the Airmine app

Download on the App Store Get it on Google Play

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